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| 0000819793-21-000030-index.html | 2021-04-27 10:40:32 | |
| 0000819793-21-000030.txt | 2021-04-27 10:40:32 | |
 0000819793-21-000030-xbrl.zip | 252900 | 2021-04-27 10:40:32 |
| ain-20210331.htm | 1413915 | 2021-04-27 10:40:32 |
| ain-20210331.xsd | 48389 | 2021-04-27 10:40:32 |
| ain-20210331xex311.htm | 10400 | 2021-04-27 10:40:32 |
| ain-20210331xex312.htm | 10394 | 2021-04-27 10:40:32 |
| ain-20210331xex321.htm | 5462 | 2021-04-27 10:40:32 |
| ain-20210331xex991.htm | 6665 | 2021-04-27 10:40:32 |
| ain-20210331_cal.xml | 107791 | 2021-04-27 10:40:32 |
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| FilingSummary.xml | 46082 | 2021-04-27 10:40:32 |
| Financial_Report.xlsx | 92518 | 2021-04-27 10:40:32 |
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| report.css | 2767 | 2021-04-27 10:40:32 |
| Show.js | 1085 | 2021-04-27 10:40:32 |